Nice post on k at the boundary
Originally Posted by alberto
Some picky comment, but I hope of some help.
- Depending on the information you have from experiments, you can, at least roughly, estimate the residual kinetic energy at the inlet, and use that value. If you have PIV measurements of the inlet, you can filter that velocity filter that velocity field with the same filter size you use in the simulation, and obtain the value of the residual k at the BC.
- Giving as boundary condition the